I40 over I-40 / N. DUNLAP ST.


+35.01611, -90.03222
35°00'58" N, 90°01'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I-40 / N. DUNLAP ST.
Structure number:79I00400011
Location:.5 MI E OF US-51
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:76.1 ft. [23.2 m]
Total length:146.0 ft. [44.5 m]
Roadway width between curbs:120.1 ft. [36.6 m]
Deck width edge-to-edge:126.0 ft. [38.4 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed:1988
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,820 [as of 2015]
Truck traffic:27% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:66.3 tons [60.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201681.0FairSatisfactoryGoodGood-70820
January 201581.0FairSatisfactoryGoodGood-70300
January 201381.0GoodGoodGoodGood-80570
March 201181.0GoodGoodGoodGood-72840
April 200981.0GoodGoodGoodGood-69310
May 200779.0GoodGoodGoodGoodFO68210
August 200579.0GoodGoodGoodGoodFO68760
August 200379.0GoodGoodGoodGoodFO70930
September 200183.0GoodGoodGoodGood-66050
January 200076.0GoodGoodGoodGood-71150
December 199778.0GoodGoodGoodGood-61300
August 199578.0FairSatisfactoryGoodGood-58830
August 199378.0FairSatisfactoryGoodGood-55240
November 199178.0FairSatisfactoryGoodGood-46590